/* Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/*
 * Form Properties
 */

angular.module('flowableModeler').controller('FlowableFormPropertiesCtrl', [
  '$scope',
  '$modal',
  '$timeout',
  '$translate',
  function($scope, $modal, $timeout, $translate) {
    // Config for the modal window
    var opts = {
      template: 'editor-app/configuration/properties/form-properties-popup.html?version=' + Date.now(),
      scope: $scope
    }

    // Open the dialog
    _internalCreateModal(opts, $modal, $scope)
  }
])

angular.module('flowableModeler').controller('FlowableFormPropertiesPopupCtrl', [
  '$scope',
  '$q',
  '$translate',
  '$timeout',
  function($scope, $q, $translate, $timeout) {
    // Put json representing form properties on scope
    if (
      $scope.property.value !== undefined &&
      $scope.property.value !== null &&
      $scope.property.value.formProperties !== undefined &&
      $scope.property.value.formProperties !== null
    ) {
      // Note that we clone the json object rather then setting it directly,
      // this to cope with the fact that the user can click the cancel button and no changes should have happended
      $scope.formProperties = angular.copy($scope.property.value.formProperties)

      for (var i = 0; i < $scope.formProperties.length; i++) {
        var formProperty = $scope.formProperties[i]
        if (formProperty.enumValues && formProperty.enumValues.length > 0) {
          for (var j = 0; j < formProperty.enumValues.length; j++) {
            var enumValue = formProperty.enumValues[j]
            if (!enumValue.id && !enumValue.name && enumValue.value) {
              enumValue.id = enumValue.value
              enumValue.name = enumValue.value
            }
          }
        }
      }
    } else {
      $scope.formProperties = []
    }

    $scope.enumValues = []

    $scope.translationsRetrieved = false

    $scope.labels = {}

    var idPromise = $translate('PROPERTY.FORMPROPERTIES.ID')
    var namePromise = $translate('PROPERTY.FORMPROPERTIES.NAME')
    var typePromise = $translate('PROPERTY.FORMPROPERTIES.TYPE')

    $q.all([idPromise, namePromise, typePromise]).then(function(results) {
      $scope.labels.idLabel = results[0]
      $scope.labels.nameLabel = results[1]
      $scope.labels.typeLabel = results[2]
      $scope.translationsRetrieved = true

      // Config for grid
      $scope.gridOptions = {
        data: $scope.formProperties,
        headerRowHeight: 28,
        enableRowSelection: true,
        enableRowHeaderSelection: false,
        multiSelect: false,
        modifierKeysToMultiSelect: false,
        enableHorizontalScrollbar: 0,
        enableColumnMenus: false,
        enableSorting: false,
        columnDefs: [
          { field: 'id', displayName: $scope.labels.idLabel },
          { field: 'name', displayName: $scope.labels.nameLabel },
          { field: 'type', displayName: $scope.labels.typeLabel }
        ]
      }

      $scope.enumGridOptions = {
        data: $scope.enumValues,
        headerRowHeight: 28,
        enableRowSelection: true,
        enableRowHeaderSelection: false,
        multiSelect: false,
        modifierKeysToMultiSelect: false,
        enableHorizontalScrollbar: 0,
        enableColumnMenus: false,
        enableSorting: false,
        columnDefs: [
          { field: 'id', displayName: $scope.labels.idLabel },
          { field: 'name', displayName: $scope.labels.nameLabel }
        ]
      }

      $scope.gridOptions.onRegisterApi = function(gridApi) {
        //set gridApi on scope
        $scope.gridApi = gridApi
        gridApi.selection.on.rowSelectionChanged($scope, function(row) {
          $scope.selectedProperty = row.entity
          $scope.selectedEnumValue = undefined
          if ($scope.selectedProperty && $scope.selectedProperty.enumValues) {
            $scope.enumValues.length = 0
            for (var i = 0; i < $scope.selectedProperty.enumValues.length; i++) {
              $scope.enumValues.push($scope.selectedProperty.enumValues[i])
            }
          }
        })
      }

      $scope.enumGridOptions.onRegisterApi = function(gridApi) {
        //set gridApi on scope
        $scope.enumGridApi = gridApi
        gridApi.selection.on.rowSelectionChanged($scope, function(row) {
          $scope.selectedEnumValue = row.entity
        })
      }
    })

    // Handler for when the value of the type dropdown changes
    $scope.propertyTypeChanged = function(selectedProperty) {
      $scope.selectedProperty = selectedProperty
      // Check date. If date, show date pattern
      if (selectedProperty.type === 'date') {
        selectedProperty.datePattern = 'MM-dd-yyyy hh:mm'
      } else {
        delete selectedProperty.datePattern
      }

      // Check enum. If enum, show list of options
      if (selectedProperty.type === 'enum') {
        selectedProperty.enumValues = [{ id: 'value1', name: 'Value 1' }, { id: 'value2', name: 'Value 2' }]
        // $scope.enumValues.length = 0
        // for (var i = 0; i < $scope.selectedProperty.enumValues.length; i++) {
        //   $scope.enumValues.push($scope.selectedProperty.enumValues[i])
        // }
      } else {
        delete selectedProperty.enumValues
        // $scope.enumValues.length = 0
      }
    }

    // Click handler for add button
    var propertyIndex =  $scope.formProperties.length+1
    $scope.addNewProperty = function() {
      var newProperty = {
        id: 'new_property_' + propertyIndex++,
        name: '',
        type: 'string',
        readable: true,
        writable: true
      }

      $scope.formProperties.push(newProperty)

      // $timeout(function() {
      //   $scope.gridApi.selection.toggleRowSelection(newProperty)
      // })
    }

    // Click handler for remove button
    $scope.removeProperty = function(selectedItems) {
      // var selectedItems = $scope.gridApi.selection.getSelectedRows()
      if (selectedItems) {
        var index = $scope.formProperties.indexOf(selectedItems)
        // $scope.gridApi.selection.toggleRowSelection(selectedItems[0])
        $scope.formProperties.splice(index, 1)

        // if ($scope.formProperties.length == 0) {
        //   $scope.selectedProperty = undefined
        // }

        // $timeout(function() {
        //   if ($scope.formProperties.length > 0) {
        //     $scope.gridApi.selection.toggleRowSelection($scope.formProperties[0])
        //   }
        // })
      }
    }

    // Click handler for up button
    $scope.movePropertyUp = function() {
      var selectedItems = $scope.gridApi.selection.getSelectedRows()
      if (selectedItems && selectedItems.length > 0) {
        var index = $scope.formProperties.indexOf(selectedItems[0])
        if (index != 0) {
          // If it's the first, no moving up of course
          var temp = $scope.formProperties[index]
          $scope.formProperties.splice(index, 1)
          $timeout(function() {
            $scope.formProperties.splice(index + -1, 0, temp)
            $timeout(function() {
              $scope.gridApi.selection.toggleRowSelection(temp)
            })
          })
        }
      }
    }

    // Click handler for down button
    $scope.movePropertyDown = function() {
      var selectedItems = $scope.gridApi.selection.getSelectedRows()
      if (selectedItems && selectedItems.length > 0) {
        var index = $scope.formProperties.indexOf(selectedItems[0])
        if (index != $scope.formProperties.length - 1) {
          // If it's the last element, no moving down of course
          var temp = $scope.formProperties[index]
          $scope.formProperties.splice(index, 1)
          $timeout(function() {
            $scope.formProperties.splice(index + 1, 0, temp)
            $timeout(function() {
              $scope.gridApi.selection.toggleRowSelection(temp)
            })
          })
        }
      }
    }

    $scope.addNewEnumValue = function() {
      if ($scope.selectedProperty) {
        var newEnumValue = { id: '', name: '' }
        $scope.selectedProperty.enumValues.push(newEnumValue)
        // $scope.enumValues.push(newEnumValue)

        // $timeout(function() {
        //   $scope.enumGridApi.selection.toggleRowSelection(newEnumValue)
        // })
      }
    }

    // Click handler for remove button
    $scope.removeEnumValue = function(selectedItems) {
      // var selectedItems = $scope.enumGridApi.selection.getSelectedRows()
      if (selectedItems) {
        var index = $scope.selectedProperty.enumValues.indexOf(selectedItems[0])
        // $scope.enumGridApi.selection.toggleRowSelection(selectedItems[0])

        // $scope.enumValues.splice(index, 1)
        $scope.selectedProperty.enumValues.splice(index, 1)

        // if ($scope.enumValues.length == 0) {
        //   $scope.selectedEnumValue = undefined
        // }

        // $timeout(function() {
        //   if ($scope.enumValues.length > 0) {
        //     $scope.enumGridApi.selection.toggleRowSelection($scope.enumValues[0])
        //   }
        // })
      }
    }

    $scope.setSelectedProperty = function(selectedItems){
      $scope.selectedProperty = selectedItems
    }

    // Click handler for up button
    $scope.moveEnumValueUp = function() {
      var selectedItems = $scope.enumGridApi.selection.getSelectedRows()
      if (selectedItems && selectedItems.length > 0) {
        var index = $scope.enumValues.indexOf(selectedItems[0])
        if (index != 0) {
          // If it's the first, no moving up of course
          var temp = $scope.enumValues[index]
          $scope.enumValues.splice(index, 1)
          $scope.selectedProperty.enumValues.splice(index, 1)
          $timeout(function() {
            $scope.enumValues.splice(index + -1, 0, temp)
            $scope.selectedProperty.enumValues.splice(index + -1, 0, temp)
            $timeout(function() {
              $scope.enumGridApi.selection.toggleRowSelection(temp)
            })
          })
        }
      }
    }

    // Click handler for down button
    $scope.moveEnumValueDown = function() {
      var selectedItems = $scope.enumGridApi.selection.getSelectedRows()
      if (selectedItems && selectedItems.length > 0) {
        var index = $scope.enumValues.indexOf(selectedItems[0])
        if (index != $scope.enumValues.length - 1) {
          // If it's the last element, no moving down of course
          var temp = $scope.enumValues[index]
          $scope.enumValues.splice(index, 1)
          $scope.selectedProperty.enumValues.splice(index, 1)
          $timeout(function() {
            $scope.enumValues.splice(index + 1, 0, temp)
            $scope.selectedProperty.enumValues.splice(index + 1, 0, temp)
            $timeout(function() {
              $scope.enumGridApi.selection.toggleRowSelection(temp)
            })
          })
        }
      }
    }

    // Click handler for save button
    $scope.save = function() {
      if ($scope.formProperties.length > 0) {
        $scope.property.value = {}
        $scope.property.value.formProperties = $scope.formProperties
      } else {
        $scope.property.value = null
      }

      $scope.updatePropertyInModel($scope.property)
      $scope.close()
    }

    $scope.cancel = function() {
      $scope.$hide()
      $scope.property.mode = 'read'
    }

    // Close button handler
    $scope.close = function() {
      $scope.$hide()
      $scope.property.mode = 'read'
    }
  }
])
